Home / 843,988.20-1,164,839.40-481,530.36

Finding the Fourth Proportional to 843,988.20, 1,164,839.40 and 481,530.36

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Solution

The fourth proportional to 843,988.20, 1,164,839.40 and 481,530.36 is: 664,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,988.20 : 1,164,839.40 = 481,530.36 : x
  2. Step 2: Convert to fraction form
    843,988.20/1,164,839.40 = 481,530.36/x
  3. Step 3: Cross multiply
    843,988.20x = 1,164,839.40 × 481,530.36
  4. Step 4: Simplify right side
    843,988.20x = 560,905,535,624.18
  5. Step 5: Solve for x
    x = 560,905,535,624.18/843,988.20
  6. Step 6: Final answer
    x = 664,589.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.